Wenxi Zhu
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View article: Simulation Study on the Influence of Reactions Between Granitic Hot Dry Rock Minerals and Water on Rock Non-Closed Crack Compressive Shear Initiation
Simulation Study on the Influence of Reactions Between Granitic Hot Dry Rock Minerals and Water on Rock Non-Closed Crack Compressive Shear Initiation Open
The development of hot dry rock needs working fluids, and mineral reactions happen due to contact between hot dry rock minerals and fluids. Mineral reactions influence hot dry rock reservoir characteristics, whereas their impacts on hot dr…
View article: Research on enhancing heat transfer in geothermal well cementing via novel expanded graphite and cured epoxy resin composite filler
Research on enhancing heat transfer in geothermal well cementing via novel expanded graphite and cured epoxy resin composite filler Open
View article: Innovative Asphalt-Based Carbon Fiber Cement for Enhanced Geothermal Energy Efficiency-Impacts on Engineering Technology
Innovative Asphalt-Based Carbon Fiber Cement for Enhanced Geothermal Energy Efficiency-Impacts on Engineering Technology Open
The application effect of asphalt-based carbon fiber (ACF), a novel material with high thermal conductivity, in geothermal reservoir cementing is examined in this article.
View article: Application of a Novel Temperature-Sensitive Polymer PNA-SiO<sub>2</sub> as a Rheological Agent in Geothermal Drilling
Application of a Novel Temperature-Sensitive Polymer PNA-SiO<sub>2</sub> as a Rheological Agent in Geothermal Drilling Open
In geothermal drilling, the significant rheological deterioration of biopolymer drilling fluids can lead to decreased cutting-carrying efficiency and fluctuations in annulus pressure, which can easily result in unpredictable downhole accid…
View article: Dual Enhancement of Ammonium Fixation and Mechanical Strength in Micp Treated Sand Using Adsorbents
Dual Enhancement of Ammonium Fixation and Mechanical Strength in Micp Treated Sand Using Adsorbents Open
View article: Study on the improvement of geothermal cement properties by nanofluid composed of deep eutectic solvent and graphene oxide
Study on the improvement of geothermal cement properties by nanofluid composed of deep eutectic solvent and graphene oxide Open
Guided by the goal of improving the heat transfer efficiency of geothermal cement, the development of high thermal conductivity fillers is urgently needed. Considering the drawbacks of carbon-based fillers in deteriorating the strength and…
View article: Review of Reservoir Damage Mechanisms Induced by Working Fluids and the Design Principles of Reservoir Protection Fluids: From Oil–Gas Reservoirs to Geothermal Reservoirs
Review of Reservoir Damage Mechanisms Induced by Working Fluids and the Design Principles of Reservoir Protection Fluids: From Oil–Gas Reservoirs to Geothermal Reservoirs Open
Various working fluids are applied during geothermal reservoir development, and geothermal reservoir damage induced by contacts between working fluids and reservoir formations are inevitable. Reservoir damage mechanisms, including solid an…
View article: Vortex: Efficient Sample-Free Dynamic Tensor Program Optimization via Hardware-aware Strategy Space Hierarchization
Vortex: Efficient Sample-Free Dynamic Tensor Program Optimization via Hardware-aware Strategy Space Hierarchization Open
Dynamic-shape deep neural networks (DNNs) are rapidly evolving, attracting attention for their ability to handle variable input sizes in real-time applications. However, existing compilation optimization methods for such networks often rel…
View article: Study on high-temperature resistance, salt/calcium resistance of environment-friendly colloidal gas aphron drilling fluid
Study on high-temperature resistance, salt/calcium resistance of environment-friendly colloidal gas aphron drilling fluid Open
The Colloidal Gas Aphron (CGA) drilling fluid successfully solved the problems of serious lost circulation and reservoir damage that are faced by drilling in depleted oil/gas reservoirs and low-pressure areas. However, the lack of high-tem…
View article: Preparation and Foam Stabilization Mechanism of an Ultrahigh-Temperature Colloidal Gas Aphron (CGA) System Based on Nano-SiO<sub>2</sub>
Preparation and Foam Stabilization Mechanism of an Ultrahigh-Temperature Colloidal Gas Aphron (CGA) System Based on Nano-SiO<sub>2</sub> Open
Recently, colloidal gas aphron (CGA) drilling fluids have successfully solved the problem of drilling low-pressure depleted oil and gas reservoirs. However, with the increase in the drilling depth and the development of geothermal resource…
View article: Biodegradable Lubricant with High-Temperature and Ionic-Contamination Resistance: Deep Eutectic Solvent ChCl-PEG
Biodegradable Lubricant with High-Temperature and Ionic-Contamination Resistance: Deep Eutectic Solvent ChCl-PEG Open
Drilling fluid lubricants guarantee safe and fast drilling. When drilling high-temperature or NaCl/CaCl2-containing formations, there is an urgent need to develop environmentally friendly lubricants that are resistant to high te…
View article: Study on the Rheological Properties of Ultra-High Temperature CGA Drilling Fluids
Study on the Rheological Properties of Ultra-High Temperature CGA Drilling Fluids Open
Colloidal gas aphron (CGA) drilling fluids are a kind of environmentally-friendly underbalanced drilling technique, which has attracted more attention in depleted reservoirs and other low-pressure areas. With the shortage of global oil/gas…
View article: High Temperature Sealing Performance of Novel Biodegradable Colloidal Gas Aphron (CGA) Drilling Fluid System
High Temperature Sealing Performance of Novel Biodegradable Colloidal Gas Aphron (CGA) Drilling Fluid System Open
Aphrons are ideal sealing materials and colloidal gas aphron (CGA) drilling fluids have been successfully applied in solving huge leakage problems. As the increase of well temperature, filtration and sealing characteristics of CGA drilling…
View article: Effective Modified Xanthan Gum Fluid Loss Agent for High-Temperature Water-Based Drilling Fluid and the Filtration Control Mechanism
Effective Modified Xanthan Gum Fluid Loss Agent for High-Temperature Water-Based Drilling Fluid and the Filtration Control Mechanism Open
Xanthan gum (XG) was widely used as an oilfield chemical treatment agent because of its environmental protection and diverse functions. With the increased drilling depth and formation complexity, the shortcomings such as poor solubility an…
View article: The Self-Degradation Mechanism of Polyvinyl Chloride-Modified Slag/Fly Ash Binder for Geothermal Wells
The Self-Degradation Mechanism of Polyvinyl Chloride-Modified Slag/Fly Ash Binder for Geothermal Wells Open
Polyvinyl chloride (PVC) releases hydrochloric acid (HCl) during its thermal degradation, and hydrochloric acid can react with hydration products of alkali-activated binders. According to this characteristic of PVC and the temperature chan…
View article: Hydrogenation of m-Chloronitrobenzene over Different Morphologies Ni/TiO2 without Addition of Molecular Hydrogen
Hydrogenation of m-Chloronitrobenzene over Different Morphologies Ni/TiO2 without Addition of Molecular Hydrogen Open
Ni/TiO2 catalysts with different morphologies (granular, sheet, tubular and spherical) were prepared. Hydrogen was generated from ethanol aqueous-phase reforming over Ni/TiO2 in a water-ethanol-m-chloronitrobenzene reaction system and dire…
View article: In-Situ Liquid Hydrogenation of m-Chloronitrobenzene over Fe-Modified Pt/Carbon Nanotubes Catalysts
In-Situ Liquid Hydrogenation of m-Chloronitrobenzene over Fe-Modified Pt/Carbon Nanotubes Catalysts Open
In-situ liquid-phase hydrogenation of m-chloronitrobenzene (m-CNB) based on aqueous-phase reforming (APR) of ethanol and catalytic hydrogenation was carried out over Fe-modified Pt/carbon nanotubes (CNTs) catalysts. The effects of Pt loadi…
View article: High Active Zn/Mg-Modified Ni–P/Al2O3 Catalysts Derived from ZnMgNiAl Layered Double Hydroxides for Hydrodesulfurization of Dibenzothiophene
High Active Zn/Mg-Modified Ni–P/Al2O3 Catalysts Derived from ZnMgNiAl Layered Double Hydroxides for Hydrodesulfurization of Dibenzothiophene Open
A series of ZnMgNiAl layered double hydroxides (LDHs) containing 20 wt.% Ni and different Zn/Mg molar ratios were prepared by a coprecipitation method, and then were introduced with H2PO4− via a microwave-hydrothermal method. With the resu…
View article: Hydrogenation of Phenol over Pt/CNTs: The Effects of Pt Loading and Reaction Solvents
Hydrogenation of Phenol over Pt/CNTs: The Effects of Pt Loading and Reaction Solvents Open
Carbon nanotubes (CNTs)-supported Pt nanoparticles were prepared with selective deposition of Pt nanoparticles inside and outside CNTs (Pt–in/CNTs and Pt–out/CNTs). The effects of Pt loading and reaction solvents on phenol hydrogenation we…